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authorAlkis Evlogimenos <alkis@evlogimenos.com>2004-12-07 06:46:50 +0000
committerAlkis Evlogimenos <alkis@evlogimenos.com>2004-12-07 06:46:50 +0000
commiteb61d60e1b7f630be3cf86d01f00c604d40e5cea (patch)
tree85f377cfa014275c62d78a9eb28adf81274d1e5f
parent80ad87d2271673b4f9148d64c91ee6338978c9fc (diff)
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Fix check for valid floats. Also use and HUGE_VALF instead
of std::numeric_limits, because they work in more platforms. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18593 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/VMCore/Constants.cpp11
1 files changed, 1 insertions, 10 deletions
diff --git a/lib/VMCore/Constants.cpp b/lib/VMCore/Constants.cpp
index c97d9fc..dc64161 100644
--- a/lib/VMCore/Constants.cpp
+++ b/lib/VMCore/Constants.cpp
@@ -21,7 +21,6 @@
#include "llvm/ADT/StringExtras.h"
#include <algorithm>
#include <iostream>
-#include <limits>
using namespace llvm;
ConstantBool *ConstantBool::True = new ConstantBool(true);
@@ -443,15 +442,7 @@ bool ConstantFP::isValueValidForType(const Type *Ty, double Val) {
// TODO: Figure out how to test if a double can be cast to a float!
case Type::FloatTyID:
- return
- (std::numeric_limits<double>::has_infinity &&
- std::numeric_limits<float>::has_infinity &&
- Val == std::numeric_limits<double>::infinity()) ||
- (std::numeric_limits<double>::has_quiet_NaN &&
- std::numeric_limits<float>::has_quiet_NaN &&
- Val == std::numeric_limits<double>::quiet_NaN()) ||
- (Val >= -std::numeric_limits<float>::max() &&
- Val <= std::numeric_limits<float>::max());
+ return isinf(Val) || isnan(Val) || (Val >= -HUGE_VALF && Val <= HUGE_VALF);
case Type::DoubleTyID:
return true; // This is the largest type...